Detective Chief Inspector Ian Crewe, of GMP’s Major Incident Team, said: “Our thoughts remain with Sebastian’s loved ones at this tough time and we have got specially trained officers continuing to provide them with support.

Sebastian Zuchlinski, 39, from Bolton

“We have made a number of further arrests in connection with this murder and currently have seven people in custody.

“I know this is quite a significant number but our investigation very much remains active and I would like to urge anybody with information to please contact the police.”